11285705 has 16 divisors (see below), whose sum is σ = 14805504. Its totient is φ = 8221440.

The previous prime is 11285699. The next prime is 11285711. The reversal of 11285705 is 50758211.

It is an interprime number because it is at equal distance from previous prime (11285699) and next prime (11285711).

It is not a de Polignac number, because 11285705 - 2⁴ = 11285689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (925344).

Almost surely, 2^11285705 is an apocalyptic number.

It is an amenable number.

11285705 is a deficient number, since it is larger than the sum of its proper divisors (3519799).

11285705 is a wasteful number, since it uses less digits than its factorization.

11285705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 11285705 is about 3359.4203369034. The cubic root of 11285705 is about 224.3070367014.

The spelling of 11285705 in words is "eleven million, two hundred eighty-five thousand, seven hundred five".